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Steroid Injections for Keloid Scars

Steroid Injections for Keloid Scars

keloid scarWhat are keloid and hypertrophic scars?
Keloid scars tend to grow beyond the size of the original injury which means even a small injury such as a pimple can result in a large scar. In normal wound healing, (skin repair cells) fibroblasts produce only sufficient connective tissue to mend the wound. In people prone to keloid scarring the fibroblasts continue to produce connective tissue even after the wound is adequately repaired, creating mounds of excessive scar tissue and resulting in a keloid scar. Keloids are often raised, red, firm nodules that may also be discoloured, painful and/or itchy. Keloids usually don’t get better with time. They may form on any part of the body although the upper chest, shoulders, upper back and earlobes are especially prone. Keloids are relatively rare on the face.


Approximately 10% of people are prone to keloid scarring. Men and women are equally prone although they are more common in those with darker skin.
Hypertrophic scars look similar to keloid scarring but tend to only form within the boundary of the initial injury. Hypertrophic scarring is more common than keloid scarring and is also more likely to gradually improve over time. It is less likely to be painful or itchy.


Treatment of keloid and hypertrophic scars
Keloids are removed quickly and simply with a series of injections of the steroid Triamcinolone.
The treatment takes between 15-30 minutes per session and you should notice an improvement in the appearance of your scar within two and three weeks of the first treatment. Usually a course is required. In the majority of cases the results will be permanent. However very occasionally the Keloid scar will grow back and you will need to be treated again.
The scar will flatten out and should match the colour of the surrounding skin, making it much less noticeable.


None. You can get back to normal activities pretty much straight away.


Laser Treatment:
Co2 lasers are used to improve colour and to help flatten keloid scars. Fractional laser resurfacing is sometimes used to help re-organise collagen fibres in keloid scars and can sometimes result in smoothing and flattening. Laser treatments are often combined with a course of steroid injections.

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